Changing water levels and erosion are believed to have contributed to the collapse of the geologic feature, which was formed from 190 million-year-old Navajo sandstone, the National Park Service said. By Orlando Mayorquín from NYT U.S…. Read more.
NEW YORK TIMES: Famed Double Arch Collapses in Glen Canyon National Recreation Area
Changing water levels and erosion are believed to have contributed to the collapse of the geologic feature, which was formed from 190 million-year-old Navajo sandstone, the National Park Service said. By Orlando Mayorquín from NYT U.S…. Read more.